Remove unused original transmission stats from QuicAckNotifier.

net/quic/test_tools/quic_test_utils.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // Common utilities for Quic tests
 
 #ifndef NET_QUIC_TEST_TOOLS_QUIC_TEST_UTILS_H_
 #define NET_QUIC_TEST_TOOLS_QUIC_TEST_UTILS_H_
 
 #include <string>
@@ skipping 521 matching lines @@
       QuicPacketEntropyHash(QuicPacketSequenceNumber sequence_number));
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockEntropyCalculator);
 };
 
 class MockAckNotifierDelegate : public QuicAckNotifier::DelegateInterface {
  public:
   MockAckNotifierDelegate();
 
-  MOCK_METHOD5(OnAckNotification, void(int num_original_packets,
-                                       int num_original_bytes,
-                                       int num_retransmitted_packets,
-                                       int num_retransmitted_bytes,
-                                       QuicTime::Delta delta_largest_observed));
+  MOCK_METHOD3(OnAckNotification,
+               void(int num_retransmitted_packets,
+                    int num_retransmitted_bytes,
+                    QuicTime::Delta delta_largest_observed));
 
  protected:
   // Object is ref counted.
   ~MockAckNotifierDelegate() override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockAckNotifierDelegate);
 };
 
 class MockNetworkChangeVisitor :
@@ skipping 45 matching lines @@
   // clears the pointer to it to prevent use-after-free.
   void Unregister(PerConnectionPacketWriter* writer);
 
   PerConnectionPacketWriter* current_writer_;
 };
 
 }  // namespace test
 }  // namespace net
 
 #endif  // NET_QUIC_TEST_TOOLS_QUIC_TEST_UTILS_H_